Optics Question 128

Question: A double convex lens, lens made of a material of refractive index μ1 , is placed inside two liquids or refractive indices μ2 and μ3 , as shown. μ2>μ1>μ3 . A wide, parallel beam of light is incident on the lens from the left. The lens will give rise to

Options:

A) A single convergent beam

B) Two different convergent beams

C) Two different divergent beams

D) A convergent and a divergent beam

Show Answer

Answer:

Correct Answer: D

Solution:

As μ2>μ1, the upper half of the lens will become diverging. As μ1>μ3, the lower half of the lens will become converging



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